[docs] Reorders ToC to avoid gap
[docs] Reorders ToC to avoid gap

Change-Id: Ic038ee18c63be638ba9ebeef6563150f3e018fe6

BjoernT/os-ansible-deployment,os-cloud/os-ansible-deployment,stackforge/os-ansible-deployment,cfarquhar/openstack-ansible,yanyao/openstack-ansible,BjoernT/os-ansible-deployment,robb-romans/openstack-ansible,os-cloud/os-ansible-deployment,robb-romans/openstack-ansible,cloudnull/os-ansible-deployment,cfarquhar/openstack-ansible,BjoernT/openstack-ansible,BjoernT/os-ansible-deployment,bunchc/openstack-ansible,BjoernT/openstack-ansible,openstack/openstack-ansible,bunchc/openstack-ansible,stackforge/os-ansible-deployment,cloudnull/os-ansible-deployment,yanyao/openstack-ansible,openstack/openstack-ansible